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  • Category: Electrical Engineering

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    18 Oct, 2026
    Posted by: corustartech
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    Underground Cable Faults in Lagos: How We Find the Fault Without Digging Up the Whole Road

    When an underground cable fails, the supply to a building, estate or factory can go off for days. The old approach was to dig along the cable route until the damage was found. In a city like Lagos, where cables run under roads, paved compounds and other people’s property, that is slow, expensive and disruptive. […]

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    16 Oct, 2026
    Posted by: corustartech
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    Is Your Transformer Safe to Switch On After a Fault? A Return-to-Service Checklist

    When a transformer trips on a fault, gets flooded, or sits out of service for months, the pressure to switch it back on is enormous. Production is stopped, tenants are complaining and the generator is burning diesel. But energising a damaged transformer can turn a repairable fault into a total loss, and in the worst […]

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    09 Mar, 2026
    Posted by: corustartech
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    Importance of Electrical Load Assessment for Buildings in Nigeria

    This blog post delves into why load evaluation prevents overload, improves system efficiency, and ensures safe electrical installations

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    07 Mar, 2026
    Posted by: corustartech
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    Voltage Drop in Electrical Installations: Causes, Effects & Prevention

    This guide explains the causes of voltage drop, its effects on electrical systems, and practical methods electricians use to prevent it.

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    22 Oct, 2025
    Posted by: corustartech
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    Electrical Conduit Wiring in Nigeria: Surface Vs. Concealed Types

    Choosing the most appropriate type of electrical wiring is an important decision for any building in Nigeria. This definitive guide breaks down the two main methods: surface conduit and concealed conduit wiring. We provide a clear and professional comparison of cost, installation, safety, and suitability for both new constructions and existing homes; thereby, empowering you to make the best choice for your property’s safety, budget, and long-term needs.

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    14 Oct, 2025
    Posted by: corustartech
    2 comments

    Common Electrical Installation Errors and How to Correct Them

    A successful electrical installation hinges on precision and adherence to safety codes. This guide outlines a few of the recurring mistakes mostly encountered in residential and commercial projects. It also provides accurate insights on how to identify and rectify those errors, so as to help ensure your work is safe, compliant, and built to last by understanding these fundamental concepts.

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    07 Oct, 2025
    Posted by: corustartech
    0 comment

    High Voltage Switchgear Installations: Key Planning Considerations

    Planning a high-voltage switchgear installation requires careful consideration of several interconnected factors. This guide offers a clear summary of the core concepts, from application voltage levels to the pros and cons of various station layouts and designs.

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    02 Oct, 2025
    Posted by: corustartech
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    High-Voltage Areas and Switchyards: Safety Rules When Working

    Working in high voltage areas and switchyards demands strict attention to safety and specific ground rules. This post highlights the essential rules and best practices that every engineer, technician, and maintenance worker must follow to prevent accidents and ensure a safe, hazard-free environment.

    21 May, 2025
    Posted by: corustartech
    0 comment

    How to Choose an Electrical Contractor in Nigeria: 8 Questions to Ask

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    Your electrical system in Lagos deserves the best! Discover why settling for anything less than experienced electrical engineers and certified electricians can be a risky and costly mistake.

    21 May, 2025
    Posted by: corustartech
    0 comment

    Nigerian Electricity Supply and Installation Standards Regulations 2015

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    Nigerian electrical contractors and engineers, stay informed! This guide breaks down the essential aspects of the 2015 Electricity Supply and Installation Standards Regulations, crucial for all your projects.

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